Exercise 7

The wave heights \(h\) in the open sea depend on the speed \(v\) of the wind and the length of time \(t\) that the wind has been blowing at that speed. Values of the function \(h = f(v, t)\) are recorded in feet in Table 4.
(a) What is the value of \(f(40, 15)\)? What is its meaning?
(b) What is the meaning of the function \(h = f(30, t)\)? Describe the behavior of this function.
(c) What is the meaning of the function \(h = f(v, 30)\)? Describe the behavior of this function.